Finding the Fourth Proportional to 163,290.93, 225,341.32 and 91,671.09
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Solution
The fourth proportional to 163,290.93, 225,341.32 and 91,671.09 is: 126,506.01
Step by Step Solution
- Step 1: Write the proportion equation
163,290.93 : 225,341.32 = 91,671.09 : x - Step 2: Convert to fraction form
163,290.93/225,341.32 = 91,671.09/x - Step 3: Cross multiply
163,290.93x = 225,341.32 × 91,671.09 - Step 4: Simplify right side
163,290.93x = 20,657,283,968.08 - Step 5: Solve for x
x = 20,657,283,968.08/163,290.93 - Step 6: Final answer
x = 126,506.01
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.